\usepackage{graphicx}
\usepackage[export]{adjustbox}

\newcommand{\emoji}[1]{\includegraphics[width=1em,valign=t,raise=-0.1em]{emojis/#1}}

\newcommand{\running}{\reflectbox{\emoji{noto_running}}}
\newcommand{\backflipping}{\reflectbox{\emoji{vexel_backflip}}}

\newcommand{\forward}[1]{#1}
\newcommand{\backward}[1]{\reflectbox{#1}}

\newcommand{\controlpenalty}{\reflectbox{\emoji{noto_snail}}}
\newcommand{\nocontrolpenalty}{\reflectbox{\emoji{mozilla_cheetah}}}

\newcommand{\robusttt}[1]{\textup{\texttt{#1}}}
\newcommand{\sparse}{\robusttt{S}}
\newcommand{\dense}{\robusttt{D}}
\newcommand{\magnitude}{\robusttt{M}}
\newcommand{\zeroreward}{\textup{\robusttt{Zero}}}

\newcommand{\sparsegoal}{\robusttt{Sparse}}
\newcommand{\densegoal}{\robusttt{Dense}}
\newcommand{\sparsepenalty}{\robusttt{Penalty}}
\newcommand{\centergoal}{\robusttt{Center}}
\newcommand{\dirtpath}{\robusttt{Path}}
\newcommand{\cliffwalk}{\robusttt{Cliff}}

\newcommand{\firstreward}{R_A}
\newcommand{\secondreward}{R_B}
\newcommand{\thirdreward}{R_C}

\newcommand{\method}[1]{\texttt{#1}}
\newcommand{\groundtruthmethod}{\method{GT}}
\newcommand{\bettergoalmethod}{\method{Mirage}}
\newcommand{\regressionmethod}{\method{Regress}}
\newcommand{\preferencesmethod}{\method{Pref}}
\newcommand{\airlstateonlymethod}{\method{AIRL SO}}
\newcommand{\airlstateactionmethod}{\method{AIRL SA}}